M42 in Hydrogen alpha
Date: 11 Sept night, 2003
Telescope: Celestron 8” SCT with stabilized mirror, on Gemini G-41 mount
Guiding: ST-4 Autoguider with Celestron C80, 80mm F11 refractor piggybacked on C8.
Camera: Genesis KAF1602E with Astronomik H-alpha filter
Location: Tai Mei Tuk, Hong Kong
Software: Image acquisition by MaximDL, debloomed by Debloomer (Ron Wodaski) , and final brightness adjustment by Astroart